SB260: Relating to campaign finance; concerning a vacancy in the joint candidacy of the governor and lieutenant governor; relating to reasons for withdrawal of candidacy from national, state and local offices; relating to the election of the board of directors of certain irrigation districts; specifying when such elections may be conducted by the mail ballot election law; relating to the crime of corrupt political advertising; removing the requirements that treasurers be listed in political advertising attributions; clarifying campaign finance reports regarding vendor information.